207785220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{521}}^1$

素因数の和:590

約数の個数: 144

約数和(自身を含む): 646144128

約数和(自身を除く): 438358908

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 23, 30, 34, 46, 51, 60, 68, 69, 85, 92, 102, 115, 138, 170, 204, 230, 255, 276, 289, 340, 345, 391, 460, 510, 521, 578, 690, 782, 867, 1020, 1042, 1156, 1173, 1380, 1445, 1563, 1564, 1734, 1955, 2084, 2346, 2605, 2890, 3126, 3468, 3910, 4335, 4692, 5210, 5780, 5865, 6252, 6647, 7815, 7820, 8670, 8857, 10420, 11730, 11983, 13294, 15630, 17340, 17714, 19941, 23460, 23966, 26571, 26588, 31260, 33235, 35428, 35949, 39882, 44285, 47932, 53142, 59915, 66470, 71898, 79764, 88570, 99705, 106284, 119830, 132855, 132940, 143796, 150569, 177140, 179745, 199410, 203711, 239660, 265710, 301138, 359490, 398820, 407422, 451707, 531420, 602276, 611133, 718980, 752845, 814844, 903414, 1018555, 1222266, 1505690, 1806828, 2037110, 2258535, 2444532, 3011380, 3055665, 3463087, 4074220, 4517070, 6111330, 6926174, 9034140, 10389261, 12222660, 13852348, 17315435, 20778522, 34630870, 41557044, 51946305, 69261740, 103892610, 207785220]

約数ペア:

[(1, 207785220), (2, 103892610), (3, 69261740), (4, 51946305), (5, 41557044), (6, 34630870), (10, 20778522), (12, 17315435), (15, 13852348), (17, 12222660), (20, 10389261), (23, 9034140), (30, 6926174), (34, 6111330), (46, 4517070), (51, 4074220), (60, 3463087), (68, 3055665), (69, 3011380), (85, 2444532), (92, 2258535), (102, 2037110), (115, 1806828), (138, 1505690), (170, 1222266), (204, 1018555), (230, 903414), (255, 814844), (276, 752845), (289, 718980), (340, 611133), (345, 602276), (391, 531420), (460, 451707), (510, 407422), (521, 398820), (578, 359490), (690, 301138), (782, 265710), (867, 239660), (1020, 203711), (1042, 199410), (1156, 179745), (1173, 177140), (1380, 150569), (1445, 143796), (1563, 132940), (1564, 132855), (1734, 119830), (1955, 106284), (2084, 99705), (2346, 88570), (2605, 79764), (2890, 71898), (3126, 66470), (3468, 59915), (3910, 53142), (4335, 47932), (4692, 44285), (5210, 39882), (5780, 35949), (5865, 35428), (6252, 33235), (6647, 31260), (7815, 26588), (7820, 26571), (8670, 23966), (8857, 23460), (10420, 19941), (11730, 17714), (11983, 17340), (13294, 15630)]